You can add all the options you want to buy or sell and build your strategy.
The program shows you the profit and loss graph at expiration and
on the day that you select in the program. You can go forward or backward
one day with a mouse click.

Change the volatility and the graph will show you how this change in volatility would effect your position.
For the chosen day and the chosen course of the underlying the
program calculates the total Delta, Gamma, Theta and Vega of your position.

Try out what happens if you buy or sell an additional option for
example to repair your trade. You can test new strategies and test different
scenarios.

Activate and deactivate a single option to see the effect of this
single option to your total position.
You can setup the order commissions and the risk free interest rate.
With the multiplier you select how many stocks or futures one option trades.